Mariachi San Pablo an intergenerational group from El Paso, Texas, will perform during the open house for the new Redeemer Lutheran Church, 2000 Diamond Dr., from 1:30-3:30 p.m. Saturday. Mariachi San Pablo began in 2001 with five members who were mostly beginning musicians. It currently has 12 members, teenagers to adults, who offer their talents in service to the Lord.